Men who carry a cell phone in their trousers pocket may harm their sperm and reduce their chances of having children, a new review warns. The research team analysed the findings of 10 studies that examined how cell phone exposure may affect male fertility. Among men with no exposure to cell phones, 50 to 85 per cent of their sperm had a normal rectilinear motility. That fell by an average of eight per cent among men exposed to cell phones. Similar effects were seen for sperm viability, which refers to the proportion of sperm that were alive, according to the study published in the journal, Environment International, Africa Review reports. The effects of cell phone exposure on sperm concentration (the number of sperm per unit of semen) were unclear, the investigators noted. Potential Effects: Most adults worldwide own mobile phones, and about 14 per cent of couples in middle and high-income nations have difficulty conceiving, the researchers said. They also noted that previous studies have suggested radio-frequency electromagnetic radiation emitted by cell phones can harm male fertility. “Given the enormous scale of mobile phone use around the world, the potential role of this environmental exposure needs to be clarified,” study leader Fiona Mathews, of the biosciences department at the University of Exeter in England, said. She added, “This study strongly suggests that being exposed to radio-frequency electromagnetic radiation from carrying mobiles in trouser pockets negatively affects sperm quality. This could be particularly important for men already on the borderline of infertility, and further research is required to determine the full clinical implications for the general population.” While the study found an association between cell phone exposure and male infertility, the study was not designed to determine a cause-and-effect relationship.
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